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Merge remote-tracking branch 'detsys/external-builder-under-build-user' into refactor-derivation-builder

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This commit is contained in:
Eelco Dolstra 2025-07-17 17:27:47 +02:00
commit e290b52613
1 changed files with 14 additions and 4 deletions
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18
src/libstore/unix/build/external-derivation-builder.cc
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@ -29,9 +29,7 @@ struct ExternalDerivationBuilder : DerivationBuilderImpl
bool prepareBuild() override
{
// External builds don't use build users, so this always
// succeeds.
return true;
return DerivationBuilderImpl::prepareBuild();
}
Path tmpDirInSandbox() override
@ -49,7 +47,12 @@ struct ExternalDerivationBuilder : DerivationBuilderImpl
void prepareUser() override
{
// Nothing to do here since we don't have a build user.
DerivationBuilderImpl::prepareUser();
}
void setUser() override
{
DerivationBuilderImpl::setUser();
}
void checkSystem() override
@ -103,6 +106,13 @@ struct ExternalDerivationBuilder : DerivationBuilderImpl
args.insert(args.end(), jsonFile);
if (chdir(tmpDir.c_str()) == -1)
throw SysError("changing into '%1%'", tmpDir);
chownToBuilder(topTmpDir);
setUser();
debug("executing external builder: %s", concatStringsSep(" ", args));
execv(externalBuilder.program.c_str(), stringsToCharPtrs(args).data());